#!/usr/bin/node

const EventEmitter = require('events').EventEmitter,
      log = console.log,
      e = new EventEmitter();

setInterval(() => {
  e.emit('hello');
},1000);

setTimeout(() => {
  e.emit('bye');
},5000);

e.on('hello', () => {
  log('hello world');
});

e.on('bye',() => {
  log('goodbye');
  process.exit();
});
